Textbook Notes (369,067)
Canada (162,366)
Psychology (1,899)
PSY290H5 (64)
Chapter 2

Chapter 2 Notes.docx

3 Pages

Course Code
Ayesha Khan

This preview shows page 1. Sign up to view the full 3 pages of the document.
Chapter 2 Notes Neuraxis – dividing line; splits into left and right Proximal – towards the body Lateral – to the side The bone is enclosing the entire central nervous system In a baby, you can feel pulsations occurring in the head because the bone has not configured Prior to 18 months, brain damage can be very dangerous Interlocking bones Neurons are not able to regenerate so we need this extra protection The spine is broken up into various divisions Meninges – assisting in protection CSF – security from physical assault Giving your brain cells sugar so they can function Artery – takes oxygenated blood to the rest of the body Carotid arteries - from the side of the neck Vertebral arteries – from the back of the head Subarachnoid space – space underneath the arachnoid layer Veins – take blood back to the heart to get oxygenated Dura mater and pia mater cover the nerves Cerebrospinal fluid – contains lots of nutrients and is circulating within the ventricles and the subarachnoid space Brain is suspended in the skull Subarachnoid space – prevention from shock 4 ventricles: 1 and 2 are lateral ventricles Brain is relying on nutrients being pumped in by the heart Vertebral artery – joins an arterial system (a bunch of arteries that are all over the brain) Cerebro – referring to the brain Vascular – blood supply Stroke – blood supply disruption to the brain Complete damage, relative damage Cerebral Ischemia – deprivation of oxygen’lack of blood supply to particular region of brain or the entire brain Spontaneous lesions can occur Thrombosis – blood clot, can block passage of blood ; can form in cerebral blood vessel Embolism – a blood clot that can travel to another part of the body Hemorrhage – bursting of a blood vessel Aneurysm – pressure point; represents a weak spot Any of these things can result in a stroke Drugs are blood thinners (which have their own side effects) Usually a letter and number associated with the spinal cord bones White matter represents axons (covered by fatty tissue which is whi
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.